Preface
Database design technology has undergone significant evolution in recent years, although business applications continue to be dominated by the relational data model and relational database systems. The relational model has allowed the database designer to separately focus on logical design (defining the data relationships and tables) and physical design (efficiently storing data onto and retrieving data from physical storage). Other new technologies such as data warehousing, OLAP, and data mining, as well as object-oriented, spatial, and Web-based data access, have also had an important impact on database design.
In this fifth edition, we continue to concentrate on techniques for database design in relational database systems. However, ...
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